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-rw-r--r--application/LinkDB.php120
1 files changed, 15 insertions, 105 deletions
diff --git a/application/LinkDB.php b/application/LinkDB.php
index 51fa926d..16848519 100644
--- a/application/LinkDB.php
+++ b/application/LinkDB.php
@@ -63,6 +63,11 @@ class LinkDB implements Iterator, Countable, ArrayAccess
63 private $_redirector; 63 private $_redirector;
64 64
65 /** 65 /**
66 * @var LinkFilter instance.
67 */
68 private $linkFilter;
69
70 /**
66 * Creates a new LinkDB 71 * Creates a new LinkDB
67 * 72 *
68 * Checks if the datastore exists; else, attempts to create a dummy one. 73 * Checks if the datastore exists; else, attempts to create a dummy one.
@@ -80,6 +85,7 @@ class LinkDB implements Iterator, Countable, ArrayAccess
80 $this->_redirector = $redirector; 85 $this->_redirector = $redirector;
81 $this->_checkDB(); 86 $this->_checkDB();
82 $this->_readDB(); 87 $this->_readDB();
88 $this->linkFilter = new LinkFilter($this->_links);
83 } 89 }
84 90
85 /** 91 /**
@@ -334,114 +340,18 @@ You use the community supported version of the original Shaarli project, by Seba
334 } 340 }
335 341
336 /** 342 /**
337 * Returns the list of links corresponding to a full-text search 343 * Filter links.
338 * 344 *
339 * Searches: 345 * @param string $type Type of filter.
340 * - in the URLs, title and description; 346 * @param mixed $request Search request, string or array.
341 * - are case-insensitive. 347 * @param bool $casesensitive Optional: Perform case sensitive filter
342 * 348 * @param bool $privateonly Optional: Returns private links only if true.
343 * Example:
344 * print_r($mydb->filterFulltext('hollandais'));
345 *
346 * mb_convert_case($val, MB_CASE_LOWER, 'UTF-8')
347 * - allows to perform searches on Unicode text
348 * - see https://github.com/shaarli/Shaarli/issues/75 for examples
349 */
350 public function filterFulltext($searchterms)
351 {
352 // FIXME: explode(' ',$searchterms) and perform a AND search.
353 // FIXME: accept double-quotes to search for a string "as is"?
354 $filtered = array();
355 $search = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8');
356 $keys = array('title', 'description', 'url', 'tags');
357
358 foreach ($this->_links as $link) {
359 $found = false;
360
361 foreach ($keys as $key) {
362 if (strpos(mb_convert_case($link[$key], MB_CASE_LOWER, 'UTF-8'),
363 $search) !== false) {
364 $found = true;
365 }
366 }
367
368 if ($found) {
369 $filtered[$link['linkdate']] = $link;
370 }
371 }
372 krsort($filtered);
373 return $filtered;
374 }
375
376 /**
377 * Returns the list of links associated with a given list of tags
378 * 349 *
379 * You can specify one or more tags, separated by space or a comma, e.g. 350 * @return array filtered links
380 * print_r($mydb->filterTags('linux programming'));
381 */ 351 */
382 public function filterTags($tags, $casesensitive=false) 352 public function filter($type, $request, $casesensitive = false, $privateonly = false) {
383 { 353 $requestFilter = is_array($request) ? implode(' ', $request) : $request;
384 // Same as above, we use UTF-8 conversion to handle various graphemes (i.e. cyrillic, or greek) 354 return $this->linkFilter->filter($type, trim($requestFilter), $casesensitive, $privateonly);
385 // FIXME: is $casesensitive ever true?
386 $t = str_replace(
387 ',', ' ',
388 ($casesensitive ? $tags : mb_convert_case($tags, MB_CASE_LOWER, 'UTF-8'))
389 );
390
391 $searchtags = explode(' ', $t);
392 $filtered = array();
393
394 foreach ($this->_links as $l) {
395 $linktags = explode(
396 ' ',
397 ($casesensitive ? $l['tags']:mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8'))
398 );
399
400 if (count(array_intersect($linktags, $searchtags)) == count($searchtags)) {
401 $filtered[$l['linkdate']] = $l;
402 }
403 }
404 krsort($filtered);
405 return $filtered;
406 }
407
408
409 /**
410 * Returns the list of articles for a given day, chronologically sorted
411 *
412 * Day must be in the form 'YYYYMMDD' (e.g. '20120125'), e.g.
413 * print_r($mydb->filterDay('20120125'));
414 */
415 public function filterDay($day)
416 {
417 if (! checkDateFormat('Ymd', $day)) {
418 throw new Exception('Invalid date format');
419 }
420
421 $filtered = array();
422 foreach ($this->_links as $l) {
423 if (startsWith($l['linkdate'], $day)) {
424 $filtered[$l['linkdate']] = $l;
425 }
426 }
427 ksort($filtered);
428 return $filtered;
429 }
430
431 /**
432 * Returns the article corresponding to a smallHash
433 */
434 public function filterSmallHash($smallHash)
435 {
436 $filtered = array();
437 foreach ($this->_links as $l) {
438 if ($smallHash == smallHash($l['linkdate'])) {
439 // Yes, this is ugly and slow
440 $filtered[$l['linkdate']] = $l;
441 return $filtered;
442 }
443 }
444 return $filtered;
445 } 355 }
446 356
447 /** 357 /**